GB0723510D0 - Baseband signal predistortion processing device and method - Google Patents

Baseband signal predistortion processing device and method

Info

Publication number
GB0723510D0
GB0723510D0 GBGB0723510.4A GB0723510A GB0723510D0 GB 0723510 D0 GB0723510 D0 GB 0723510D0 GB 0723510 A GB0723510 A GB 0723510A GB 0723510 D0 GB0723510 D0 GB 0723510D0
Authority
GB
United Kingdom
Prior art keywords
processing device
baseband signal
predistortion processing
signal predistortion
baseband
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB0723510.4A
Other versions
GB2440890A (en
GB2440890B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of GB0723510D0 publication Critical patent/GB0723510D0/en
Publication of GB2440890A publication Critical patent/GB2440890A/en
Application granted granted Critical
Publication of GB2440890B publication Critical patent/GB2440890B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB0723510A 2005-05-27 2006-05-26 Device and method for pre-distorting a base-band digital signal Active GB2440890B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2005100730024A CN100563225C (en) 2005-05-27 2005-05-27 Baseband digital signal is carried out the fexible unit of pre-distortion
PCT/CN2006/001117 WO2006125398A1 (en) 2005-05-27 2006-05-26 Baseband signal predistortion processing device and method

Publications (3)

Publication Number Publication Date
GB0723510D0 true GB0723510D0 (en) 2008-01-09
GB2440890A GB2440890A (en) 2008-02-13
GB2440890B GB2440890B (en) 2010-01-20

Family

ID=37444162

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0723510A Active GB2440890B (en) 2005-05-27 2006-05-26 Device and method for pre-distorting a base-band digital signal

Country Status (9)

Country Link
US (1) US8023587B2 (en)
JP (1) JP2008546261A (en)
CN (1) CN100563225C (en)
CA (1) CA2609843C (en)
DE (1) DE112006001355B4 (en)
ES (1) ES2331779B1 (en)
GB (1) GB2440890B (en)
RU (1) RU2370889C2 (en)
WO (1) WO2006125398A1 (en)

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Also Published As

Publication number Publication date
US8023587B2 (en) 2011-09-20
CA2609843C (en) 2011-12-06
GB2440890A (en) 2008-02-13
US20080095264A1 (en) 2008-04-24
DE112006001355T5 (en) 2008-07-31
GB2440890B (en) 2010-01-20
WO2006125398A1 (en) 2006-11-30
DE112006001355B4 (en) 2014-07-10
ES2331779B1 (en) 2010-10-13
CN1870614A (en) 2006-11-29
JP2008546261A (en) 2008-12-18
CA2609843A1 (en) 2006-11-30
RU2370889C2 (en) 2009-10-20
ES2331779A1 (en) 2010-01-14
RU2007146303A (en) 2009-07-10
CN100563225C (en) 2009-11-25

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